How long does ibuprofen last?

A:

Quick Answer

The effects of ibuprofen last between five and 10 hours, according to Hospicenet.org. Ibuprofen typically begins working within one to two hours of ingestion. The recommended dosage for ibuprofen is one 200 milligram tablet every four to six hours. Adults should not take more than six tablets within 24 hours.

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Children shouldn't take more than four recommended doses of ibuprofen within a 24-hour period, according to MedlinePlus. Side effects of ibuprofen can include constipation, bloating, anxiousness and intestinal gas. It is important for individuals to seek medical treatment if they experience side effects such as blisters, rashes, unexplained weight gain or hives when taking ibuprofen.